Q. 37 C4.3( 21 Votes )
Why is graphite a good conductor of electricity but diamond is a non- conductor of electricity?
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Give a reason why carbon can neither form C4 + cations nor C4— anxious, but forms covalent compounds which are bad conductors of electricity and have low melting and boiling points.Xam idea - Science
(i) Name the bond formed when X714 combines with Y918 .
(ii) Write the chemical formula of the compound formed when X714 combines with Y918 .All In One Science
What type of bond is present in F2?All In One Science
(a) Name the element E.
(b) What is allotrope A?
(c) What is allotrope B?
(d) What is allotrope C?
(e) Which allotrope is used in making jewellery?
(f) Which allotrope is used in making anode of a dry cell?Lakhmir Singh & Manjit Kaur - Chemistry
(a) What is element A?
(b) What is the gas B?
(c) Name the allotrope C.
(d) State another use of allotrope C (other than in glass cutters)
(e) Name another allotrope of element A which exists as spherical molecules.
(f) Name a yet another allotrope of element A which conducts electricity.Lakhmir Singh & Manjit Kaur - Chemistry
What are hydrocarbons? Give examples.NCERT - Science Exemplar
State the reason why carbon can neither form C4+ cations nor C4- anions, but forms covalent compounds. Also state reasons to explain why covalent compounds:
(a) are bad conductors of electricity?
(b) have low melting and boiling points?Science - Board Papers
Unsaturated hydrocarbons contain multiple bonds between the two C atoms and show addition reactions. Give the test to distinguish ethane from ethene.NCERT - Science Exemplar
Catenation is the ability of an atom to form bonds with other atoms of the same element. It is exhibited by both carbon and silicon. Compare the ability of catenation of the two elements. Give reasons.NCERT - Science Exemplar